Microscopic Research on Air Sparging I-Network Model Development
Publication: Geo-Frontiers 2011: Advances in Geotechnical Engineering
Abstract
Air sparging is an accepted technology for remediation of soils contaminated with volatile organic compounds (VOCs). The micro-mechanics of air sparging is helpful in understanding the mechanism behind air migration and the spatial distribution of air phase during air sparging. In order to conduct microscopic research on air sparging, a 3D network which can capture both the geometrical information of soil matrix including pore size and throat size distributions with their correlation and the topological information of soil matrix including the distribution of coordination numbers was proposed. A complete procedure of developing the 3D microscopic network model was developed and presented. The method of estimating or acquiring the geometrical and topological information of soil structure was also presented. Finally, the validity of the developed network was verified by capturing the main structure properties of the soil matrix. The simulation confirmed that the proposed model can be used to investigate micro-mechanics of air sparging.
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© 2011 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
ASCE Technical Topics:
- Business management
- Chemicals
- Chemistry
- Design (by type)
- Distribution functions
- Engineering fundamentals
- Environmental engineering
- Geomechanics
- Geometrics
- Geotechnical engineering
- Highway and road design
- Material mechanics
- Materials engineering
- Mathematical functions
- Mathematics
- Matrix (mathematics)
- Micromechanics
- Models (by type)
- Organic chemicals
- Organic compounds
- Pore size distribution
- Practice and Profession
- Research and development
- Soil mechanics
- Soil properties
- Spatial distribution
- Three-dimensional models
- Volatile organic compounds
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